egl: Remove unused casting functions.

_eglUIntToPointer and _eglPointerToUInt are no longer used.

src/egl/main/egldisplay.h

@@ -180,25 +180,4 @@ _eglIsResourceLinked(_EGLResource *res)
 }
 
 
-/**
- * Cast an unsigned int to a pointer.
- */
-static INLINE void *
-_eglUIntToPointer(unsigned int v)
-{
-   return (void *) ((uintptr_t) v);
-}
-
-
-/**
- * Cast a pointer to an unsigned int.  The pointer must be one that is
- * returned by _eglUIntToPointer.
- */
-static INLINE unsigned int
-_eglPointerToUInt(const void *p)
-{
-   return (unsigned int) ((uintptr_t) p);
-}
-
-
 #endif /* EGLDISPLAY_INCLUDED */